Crankshaft damper



FIG. 1 is a rear elevation view of a crankshaft damper showing my new design;

FIG. 2 is a cross-sectional view at line 2—2 in FIG. 1 thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a side view thereof; and,

FIG. 5 is a rear perspective view thereof.

The broken lines showing environment in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a crankshaft damper, as shown and described. 